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var(--border);width:100%;font-family:var(--font-dm-sans), "DM Sans", sans-serif;background:var(--white);color:var(--black);border-radius:3px;outline:none;padding:11px 14px;font-size:15px;transition:border-color .15s,box-shadow .15s}.tool-input:focus,.tool-select:focus,.tool-textarea:focus{border-color:var(--black);box-shadow:0 0 0 3px #d4a0171f}.tool-input.has-error,.tool-select.has-error{border-color:var(--error)}.field-error{color:var(--error);margin-top:5px;font-size:12px}.upload-area{border:1.5px dashed var(--border);text-align:center;cursor:pointer;border-radius:3px;padding:30px 20px;transition:border-color .15s,background .15s,box-shadow .15s}.upload-area:hover,.upload-area.dragover{border-color:var(--black);background:var(--bg)}.upload-area.has-file{border-style:solid;border-color:var(--accent);background:var(--accent-l)}.upload-area.has-error{border-color:var(--error)}.upload-icon{margin-bottom:8px;font-size:24px}.upload-label{color:#666;font-size:14px}.upload-label strong{color:var(--black)}.upload-hint{color:#aaa;margin-top:3px;font-size:12px}.upload-name{color:var(--accent);margin-top:4px;font-size:14px;font-weight:600}.toggle-wrap{border:1.5px solid var(--black);background:var(--white);border-radius:3px;display:inline-flex;overflow:hidden}.toggle-btn{font-family:var(--font-dm-sans), "DM Sans", sans-serif;cursor:pointer;color:var(--muted);background:0 0;border:none;padding:9px 30px;font-size:14px;font-weight:500;transition:background .15s,color .15s}.toggle-btn+.toggle-btn{border-left:1.5px solid var(--black)}.toggle-btn.active{background:var(--black);color:#fff}.btn-primary{background:var(--black);color:#fff;border:2px solid var(--black);width:100%;font-family:var(--font-dm-sans), "DM Sans", sans-serif;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;border-radius:3px;margin-top:10px;padding:13px 24px;font-size:14px;font-weight:700;transition:background .15s,color .15s,transform .1s;display:block}.btn-primary:hover:not(:disabled){color:var(--black);background:#fff;transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{color:#fff;cursor:not-allowed;background:#ccc;border-color:#ccc}.btn-secondary{background:var(--white);color:var(--black);border:2px solid var(--black);font-family:var(--font-dm-sans), "DM Sans", sans-serif;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;border-radius:3px;padding:11px 20px;font-size:13px;font-weight:600;transition:background .15s,color .15s}.btn-secondary:hover{background:var(--black);color:#fff}.btn-copy{color:var(--muted);border:1.5px solid var(--border);font-family:var(--font-dm-sans), "DM Sans", sans-serif;cursor:pointer;background:0 0;border-radius:6px;padding:6px 14px;font-size:13px;transition:border-color .15s,color .15s}.btn-copy:hover{border-color:var(--black);color:var(--black)}.btn-copy.copied{border-color:var(--accent);color:var(--accent)}.btn-export{background:var(--white);color:#bbb;border:2px solid var(--border);font-family:var(--font-dm-sans), "DM Sans", sans-serif;letter-spacing:.04em;text-transform:uppercase;cursor:not-allowed;border-radius:3px;padding:11px 20px;font-size:13px;font-weight:600;position:relative}.error-banner{background:var(--error-bg);border:1px solid var(--error-b);color:var(--error);border-radius:3px;margin-top:16px;padding:12px 16px;font-size:13px}.loading-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;background:#f2efe9e6;flex-direction:column;justify-content:center;align-items:center;gap:20px;display:flex;position:fixed;inset:0}.loading-ring{border:2.5px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:44px;height:44px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-msg{color:var(--black);letter-spacing:-.01em;text-align:center;min-height:1.4em;font-size:15px;font-weight:500}.loading-sub{color:var(--muted);font-size:12px;font-family:var(--font-dm-mono), "DM Mono", monospace}.loading-progress{background:var(--border);border-radius:2px;width:200px;height:2px;overflow:hidden}.loading-bar{background:var(--accent);border-radius:2px;height:100%;transition:width .8s cubic-bezier(.4,0,.2,1)}.section-block{margin-bottom:24px}.section-row{justify-content:space-between;align-items:baseline;margin-bottom:10px;display:flex}.section-label{text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-size:11px;font-weight:600}.section-count{font-family:var(--font-dm-mono), "DM Mono", monospace;color:var(--accent);font-size:11px;font-weight:500;transition:color .2s}.section-count.maxed{color:var(--accent);font-weight:700}.option-list{flex-direction:column;gap:7px;display:flex}.option-item{border:1.5px solid var(--border-l);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:3px;align-items:flex-start;gap:12px;padding:12px 14px;transition:border-color .15s,background .15s,transform .15s,box-shadow .15s;display:flex}.option-item:hover{border-color:var(--border);background:var(--bg);transform:translate(2px)}.option-item.selected{border-color:var(--black);background:var(--accent-l);transform:translate(2px);box-shadow:0 2px 8px #d4a01726}.option-item.is-disabled{opacity:.38;cursor:not-allowed;pointer-events:none}.option-radio,.option-checkbox{accent-color:var(--black);cursor:pointer;flex-shrink:0;width:15px;height:15px;margin-top:3px}.option-text{flex:1;font-size:14px;line-height:1.55}.opt-idx{font-family:var(--font-dm-mono), "DM Mono", monospace;color:var(--muted);flex-shrink:0;min-width:18px;margin-top:3px;font-size:10px}.content-box{border:1.5px solid var(--border-l);max-height:500px;font-family:var(--font-dm-mono), "DM Mono", monospace;white-space:pre-wrap;color:#2a2a2a;background:#fafaf8;border-radius:3px;padding:22px;font-size:13px;line-height:1.8;overflow-y:auto}.content-box::-webkit-scrollbar{width:6px}.content-box::-webkit-scrollbar-track{background:0 0}.content-box::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.copy-row{justify-content:flex-end;margin-top:8px;display:flex}.output-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:4px;display:flex}.output-actions .btn-primary{flex:1;min-width:200px;margin-top:0}.toast{background:var(--black);color:#fff;z-index:300;opacity:0;pointer-events:none;white-space:nowrap;border-radius:3px;padding:11px 20px;font-size:14px;font-weight:500;transition:transform .3s cubic-bezier(.4,0,.2,1),opacity .3s;position:fixed;bottom:32px;left:50%;transform:translate(-50%)translateY(80px)}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}@keyframes stepEnter{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.step-enter{animation:.32s cubic-bezier(.4,0,.2,1) forwards stepEnter}.login-page{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{background:var(--white);border:1px solid var(--border-l);width:100%;max-width:420px;box-shadow:var(--sh-m);border-radius:4px;padding:48px 40px}.login-logo{justify-content:center;margin-bottom:32px;display:flex}.login-logo img{width:auto;height:64px}.login-title{letter-spacing:-.02em;text-align:center;color:var(--black);margin-bottom:28px;font-size:20px;font-weight:700}@media (max-width:800px){.tool-main{max-width:100%;margin:28px auto}.si-connector{max-width:36px}}@media (max-width:600px){.tool-header{gap:12px;height:68px;padding:0 14px}.logo-box{height:68px}.logo-box img{height:62px}.si-step{gap:5px;font-size:12px}.si-num{width:24px;height:24px;font-size:10px}.si-label{display:none}.si-connector{max-width:20px;margin:0 4px}.header-right{width:auto}.btn-demo{padding:5px 10px;font-size:12px}.demo-banner{padding:8px 14px;font-size:12px}.tool-main{margin:16px auto;padding:0 12px 60px}.tool-card{padding:20px 16px}.card-title{font-size:19px}.form-label{font-size:10px}.tool-input,.tool-select,.tool-textarea{font-size:16px}.toggle-wrap{width:100%}.toggle-btn{flex:1;padding:11px 0}.btn-primary{padding:14px 20px;font-size:13px}.btn-secondary,.btn-export{padding:10px 14px;font-size:12px}.output-actions{flex-direction:column}.output-actions .btn-primary{min-width:unset}.output-actions .btn-export,.output-actions .btn-secondary{text-align:center;width:100%}.option-item{padding:10px 11px}.option-text{font-size:13px}.opt-idx{display:none}.content-box{max-height:400px;font-size:12px}.toast{font-size:13px;bottom:20px}.login-card{padding:32px 24px}}@media (max-width:380px){.si-connector{display:none}.tool-header{gap:8px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}